NO971942L - Elektrisk filter med kaskadekoplede ledd - Google Patents

Elektrisk filter med kaskadekoplede ledd

Info

Publication number
NO971942L
NO971942L NO971942A NO971942A NO971942L NO 971942 L NO971942 L NO 971942L NO 971942 A NO971942 A NO 971942A NO 971942 A NO971942 A NO 971942A NO 971942 L NO971942 L NO 971942L
Authority
NO
Norway
Prior art keywords
cascaded
joints
electric filter
filter
electric
Prior art date
Application number
NO971942A
Other languages
English (en)
Norwegian (no)
Other versions
NO971942D0 (no
Inventor
Jiro Inoue
Toshihiko Unami
Tetsuo Takeshima
Original Assignee
Murata Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co filed Critical Murata Manufacturing Co
Publication of NO971942D0 publication Critical patent/NO971942D0/no
Publication of NO971942L publication Critical patent/NO971942L/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/178—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of a laminated structure of multiple piezoelectric layers with inner electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NO971942A 1996-11-22 1997-04-25 Elektrisk filter med kaskadekoplede ledd NO971942L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32770896A JP3147793B2 (ja) 1996-11-22 1996-11-22 ラダー型フィルタ

Publications (2)

Publication Number Publication Date
NO971942D0 NO971942D0 (no) 1997-04-25
NO971942L true NO971942L (no) 1998-05-25

Family

ID=18202106

Family Applications (1)

Application Number Title Priority Date Filing Date
NO971942A NO971942L (no) 1996-11-22 1997-04-25 Elektrisk filter med kaskadekoplede ledd

Country Status (6)

Country Link
US (1) US5825262A (de)
EP (1) EP0844734B1 (de)
JP (1) JP3147793B2 (de)
CN (1) CN1096144C (de)
DE (1) DE69723212T2 (de)
NO (1) NO971942L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3266031B2 (ja) * 1996-04-18 2002-03-18 株式会社村田製作所 圧電共振子およびそれを用いた電子部品
US5998909A (en) * 1996-05-15 1999-12-07 Tokin Corporation Piezoelectric transformer
JP3267171B2 (ja) * 1996-09-12 2002-03-18 株式会社村田製作所 圧電共振子およびそれを用いた電子部品
CN1198037A (zh) * 1997-04-25 1998-11-04 株式会社村田制作所 压电谐振器和使用它的电子元件
JPH118526A (ja) * 1997-04-25 1999-01-12 Murata Mfg Co Ltd 圧電共振子およびそれを用いた電子部品
JP3378775B2 (ja) * 1997-07-07 2003-02-17 株式会社村田製作所 圧電共振子およびその周波数調整方法
JP3368214B2 (ja) * 1997-10-01 2003-01-20 株式会社村田製作所 ラダーフィルタおよび通信機器
JP3262050B2 (ja) * 1997-10-03 2002-03-04 株式会社村田製作所 電子部品およびラダーフィルタ
US6420945B1 (en) * 1999-04-09 2002-07-16 Murata Manufacturing Co. Ltd Piezoelectric resonator having internal electrode films, piezoelectric component and ladder filter formed therefrom
JP3399415B2 (ja) * 1999-09-27 2003-04-21 株式会社村田製作所 センサアレイ、センサアレイの製造方法および超音波診断装置
US6856075B1 (en) 2001-06-22 2005-02-15 Hutchinson Technology Incorporated Enhancements for adhesive attachment of piezoelectric motor elements to a disk drive suspension
GB2431512B (en) * 2004-06-25 2008-05-21 Murata Manufacturing Co Piezoelectric device
JPWO2019207624A1 (ja) * 2018-04-23 2020-04-30 三菱電機株式会社 半導体光集積素子

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378704A (en) * 1966-01-05 1968-04-16 Bourns Inc Piezoelectric multilayer device
JPS639141Y2 (de) * 1980-10-22 1988-03-18
JPS59117814A (ja) * 1982-12-24 1984-07-07 Murata Mfg Co Ltd 圧電磁器共振子
JPS61139112A (ja) * 1984-12-10 1986-06-26 Murata Mfg Co Ltd 周波数調整可能な積層型圧電素子
JP2790180B2 (ja) * 1987-12-29 1998-08-27 株式会社村田製作所 電歪共振装置
US5381067A (en) * 1993-03-10 1995-01-10 Hewlett-Packard Company Electrical impedance normalization for an ultrasonic transducer array
JP6261170B2 (ja) 2013-01-30 2018-01-17 株式会社ディ・ライト 遊技機

Also Published As

Publication number Publication date
EP0844734A2 (de) 1998-05-27
US5825262A (en) 1998-10-20
CN1183674A (zh) 1998-06-03
EP0844734B1 (de) 2003-07-02
JPH10154920A (ja) 1998-06-09
EP0844734A3 (de) 1998-08-12
NO971942D0 (no) 1997-04-25
JP3147793B2 (ja) 2001-03-19
DE69723212D1 (de) 2003-08-07
CN1096144C (zh) 2002-12-11
DE69723212T2 (de) 2004-02-12

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